PumpSpy Silent Sump Pump Check Valve - 1-1/2 with Buna-N Couplings, Model CV-150, Spring-Loaded Flapper, Quiet Check Valve, Sump Pump Life Expectancy Increase, Includes Steel Clamps Fit 1-1/2″ Pipe

Now I am able to see the water flow and get rid of any noise.

This check valve is used for removing flood water. It worked when first installed, kept the water in the hose from flooding the basin. After it sat for a few days, when the pump came on again, the flapper wouldnt open to pass water. Pump works just fine with check valve removed. I removed the check valve and cleaned the seal surface, it worked next time but when it sat for a few days, flapper wouldnt open next time it was needed. Not reliable at all if you depend on it not letting water return to the basin then emptying the basin when needed.

Quietest check valve Ive ever used. Appears to be a quality piece. Time will tell. Its been in for a few months and so far so good!

Super easy do-it-yourself installation even for a novice. The valve performs completely as advertised. Extremely quiet during flap opening, water discharge, and flap closing. It’s worth the few extra dollars over a loud and inefficient clunky sump water valve. Wish I installed decades ago. These should be standard in all residential homes. I’m going to get another one for the other sump pump in my home.

My 35 years old well pump and plumbing has seen many component replacements. My most troublesome component has been the check-valve. Up until now I had used brass valves with spring loaded axial shutoffs and each one had a disappointing short useful life. This valve has a flapper shutoff which I truly believe will outlast all the others. Time will tell, of course, but this design is simple, old, and proven. The installation was a breeze and the buna-n rubber couplings did not leak one drop.

Works as advertised.

Wish I found this years ago. All but eliminated the water hammer of a closing valve. Now when the sump pump runs, we hear a hum, and then nothing. No water hammer or closing valve. Install was easy. 2 clamps on either side. Highly recommended.

Fair price - works fine (so far)...Good quality.

Amazing! Bought the cheap one from home depot and this one is so much better for only a little more. No loud hammering, no sound at all!

Definitely worked as advertised. Noticeably more quiet.